Patents Assigned to DOUGLAS MANUFACTURING CO. INC.
  • Spiral clean pulley
    Patent number: 10124964
    Abstract: A conveyor pulley design incorporates a plow design that forces tramp material away from the belt and discharges material down and away from the belt, bearings, take-up assembly, maintenance equipment and personnel. The pulley uses a modular construction that allows for optimized manufacture and inventory processes and reduces the materials cost in the pulley.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 13, 2018
    Assignee: Douglas Manufacturing Co., Inc.
    Inventors: Paul Ross, Benjamin Brewer, Alberto Chamorro, Dennis Grizzell, Jeffery Carlisle
  • SPIRAL CLEAN PULLEY
    Publication number: 20180057269
    Abstract: A conveyor pulley design incorporates a plow design that forces tramp material away from the belt and discharges material down and away from the belt, bearings, take-up assembly, maintenance equipment and personnel.
    Type: Application
    Filed: May 25, 2017
    Publication date: March 1, 2018
    Applicant: DOUGLAS MANUFACTURING CO. INC.
    Inventors: Paul Ross, Benjamin Brewer, Alberto Chamorro, Dennis Grizzell, Jeffery Carlisle
  • Conveyor pulley
    Patent number: D838428
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: January 15, 2019
    Assignee: Douglas Manufacturing Co., Inc.
    Inventors: Paul Ross, Benjamin Brewer, Alberto Chamorro, Dennis Grizzell, Jeffery Carlisle